Tag: metrology
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Optical Atomic Clocks: Boosting Precision by Reducing Quantum Noise
Introduction: The Quest for Ever-Precise Time From checking the time on a smartphone to guiding navigation and delivering online payments, modern life depends on the extraordinary precision of atomic clocks. Traditional clocks rely on cesium atoms ticking billions of times per second, tracked by lasers at microwave frequencies. The next leap in timekeeping aims to…